Home / 376,403.42-563,424.15-198,370.69

Finding the Fourth Proportional to 376,403.42, 563,424.15 and 198,370.69

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Solution

The fourth proportional to 376,403.42, 563,424.15 and 198,370.69 is: 296,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,403.42 : 563,424.15 = 198,370.69 : x
  2. Step 2: Convert to fraction form
    376,403.42/563,424.15 = 198,370.69/x
  3. Step 3: Cross multiply
    376,403.42x = 563,424.15 × 198,370.69
  4. Step 4: Simplify right side
    376,403.42x = 111,766,837,398.16
  5. Step 5: Solve for x
    x = 111,766,837,398.16/376,403.42
  6. Step 6: Final answer
    x = 296,933.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.